What are some alternatives?
When comparing kWiki and Intro.js, you can also consider the following products
HelpDocs - Educate your users with a super simple knowledge base that’s built for teams just like yours.
HelpNDoc - What is HelpNDoc ? Easy to use yet powerful help authoring environment which can generate various documentation formats from a single source.
ProProfs Knowledgebase - ProProfs Knowledge Base is a cutting-edge knowledge management software that assists businesses to create online manuals, guides, documentation, FAQs and more.
Helpinator - WYSIWYG, single source, multiformat, multilingual help authoring tool with screenshot capture and annotation. CHM, PDF, WebHelp, QtHelp, JavaHelp, OracleHelp, WordPress. 249USD.
Document360 - Self-service knowledge base software focused on SaaS Products & Enterprise Software Projects.
Helppier - Helppier provides tools to create interactive user guides in minutes.